13653423

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 23269376

約数和(自身を除く): 9615953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6991, 20973, 48937, 62919, 146811, 216721, 440433, 650163, 1517047, 1950489, 4551141, 13653423]

約数ペア:

[(1, 13653423), (3, 4551141), (7, 1950489), (9, 1517047), (21, 650163), (31, 440433), (63, 216721), (93, 146811), (217, 62919), (279, 48937), (651, 20973), (1953, 6991)]